25451304323 has 2 divisors, whose sum is σ = 25451304324. Its totient is φ = 25451304322.

The previous prime is 25451304269. The next prime is 25451304341. The reversal of 25451304323 is 32340315452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25451304323 - 2²² = 25447110019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25451304323.

It is not a weakly prime, because it can be changed into another prime (25451300323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725652161 + 12725652162.

It is an arithmetic number, because the mean of its divisors is an integer number (12725652162).

Almost surely, 2^25451304323 is an apocalyptic number.

25451304323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451304323 is an equidigital number, since it uses as much as digits as its factorization.

25451304323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 25451304323 its reverse (32340315452), we get a palindrome (57791619775).

The spelling of 25451304323 in words is "twenty-five billion, four hundred fifty-one million, three hundred four thousand, three hundred twenty-three".